David's Astronomy Pages (Solar System)
Comets - 2017

Comet Images (2017) This page summarises observations and images of comets in 2017
Bullet C/2015 V2 (Johnson) (Jan 2017)
Bullet C/2015 ER61 (PANSTARRS) (Nov 2017)
Bullet C/2016 R2 (PANSTARRS) (Dec 2017)
Bullet C/2017 T1 (Heinze) (Dec 2017)

C/2015 V2 (Johnson) - Jan 2017

C/2015 V2 (Johnson)
(passing through Bootes)
Sun distance 2.48 AU
Image
CMOS Colour Image (16% size)
Live Stacking of 61 frames
10 min (61 x 10s), Binning 1x1, Gain 400, Raw16, ROI 3096x2080 
2017-01-19 01:56h UT   (#01_56_24Z)
TS 80mm f/6 APO + ASI178MC
Mounted on 12" LX200R
Autoguiding using ST-10XME + 12" LX200R f/10
 
C/2015 V2 (Johnson)  - detail
Image
CMOS Colour Image (50% size, cropped)
Image details as above

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C/2015 ER61 (PANSTARRS) - Nov 2017

C/2015 ER61 (PANSTARRS)
(passing through Aries)
Sun distance 2.93 AU
Image
Annotated CCD Image (50% size)
4 x 30s exposure (average combine), 3x3 binning, C Filter
2017-11-15 03:49h UT (#604064-68)
12" LX200R  (at f/10.4) + ST-10XME
(Autoguided using TS 80mm APO + ZWO ASI178MC)
 
C/2015 ER61 (PANSTARRS) - Detail
Image
Negative CCD Image (75% size, cropped)
Image details as above

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C/2016 R2 (PANSTARRS) - Dec 2017

C/2016 R2 (PANSTARRS)
(passing through Gemini)
Sun distance 3.02 AU
(Bright object in upper-left corner of the image is the
+7.2 mag star HIP 22221)
Image 
CCD Image (50% size, Linear Scaling)
2 x 60s exposure (average combine), 3x3 binning, C Filter 
2017-12-13 22:29h UT (#607079-80)
12" LX200R  (at f/10.4) + ST-10XME
(Autoguided using TS 80mm APO + ZWO ASI178MC)
 
C/2016 R2 (PANSTARRS) - detail
Image demonstrates motion of comet against background stars
Image 
CCD Image (100% size, Linear Scaling)
9 x 60s exposure (average combine), 3x3 binning, C Filter 
Frames aligned on combine before stacking
2017-12-13 22:21 to 22:34h UT (#607073-83)
12" LX200R  (at f/10.4) + ST-10XME
(Autoguided using TS 80mm APO + ZWO ASI178MC)
 
C/2016 R2 (PANSTARRS) - detail
Image demonstrates size of comet's Coma
Image 
CCD Image (100% size, Linear Scaling)
3 x 180s exposure (average combine), 3x3 binning, C Filter 
Frames aligned on stars before stacking
2017-12-13 22:40 hUT (#607084-86)
12" LX200R  (at f/10.4) + ST-10XME
(Autoguided using TS 80mm APO + ZWO ASI178MC)

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C/2017 T1 (Heinze) - Dec 2017

C/2017 T1 (Heinze)
(passing through Hydra)
Sun distance 1.49 AU
Image
CCD Image (50% size, Linear Scaling)
6 x 45s exposure (average combine), 3x3 binning, C Filter 
2017-12-14 00:35h UT (#607129-35)
12" LX200R  (at f/10.4) + ST-10XME
(Autoguided using TS 80mm APO + ZWO ASI178MC)
 
C/2017 T1 (Heinze) - detail
Image
CCD Image (100% size, Aligned on Comet, Cropped)
Image details as above
 

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